1525241040 has 40 divisors (see below), whose sum is σ = 4728247968. Its totient is φ = 406730880.

The previous prime is 1525241009. The next prime is 1525241063. The reversal of 1525241040 is 401425251.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1525241040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3177346 + ... + 3177825.

Almost surely, 2^1525241040 is an apocalyptic number.

1525241040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1525241040 is an abundant number, since it is smaller than the sum of its proper divisors (3203006928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1525241040 is a wasteful number, since it uses less digits than its factorization.

1525241040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6355187 (or 6355181 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1525241040 is about 39054.3344585463. The cubic root of 1525241040 is about 1151.0993998048.

Adding to 1525241040 its reverse (401425251), we get a palindrome (1926666291).

The spelling of 1525241040 in words is "one billion, five hundred twenty-five million, two hundred forty-one thousand, forty".